Vnitr Lek 1974, 20(2):116-123
[Problems of chronic bronchitis in the urban population].
Klíčová slova: Adult; Bronchitis, epidemiology, ; Chronic Disease; Czechoslovakia; Humans; Male; Middle Aged; Smoking, complications, ; Urban Population
Keywords: Adult; Bronchitis /epidemiology/; Chronic Disease; Czechoslovakia; Humans; Male; Middle Aged; Smoking /complications/; Urban Population
Zveřejněno: 1. únor 1974 Zobrazit citaci